I am trying to deploy my first GWT application, but I am getting the error below. I am using jre6, GWT Designer (with GWT DSK 2.5.0), and I have already deleted the gwt-unitCache folder as suggested here: https://groups.google.com/forum/?fromgroups=#!topic/google-web-toolkit/e3DoVrI6V70
Designer error occurred.
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See the Error Log for more information.
Reason: Parse error or internal Designer error.
Plug-in Provider: Google
Plug-in Name:
Plug-in ID: org.eclipse
java.lang.NoClassDefFoundError: org/eclipse/jdt/launching/IJavaLaunchConfigurationConstants
at com.google.gdt.eclipse.designer.actions.deploy.DeployModuleAction.getGWTProjectClasspath(DeployModuleAction.java:364)
at
com.google.gdt.eclipse.designer.actions.deploy.DeployModuleAction.createBuildScript(DeployModuleAction.java:150)
at
com.google.gdt.eclipse.designer.actions.deploy.DeployModuleAction.access$1(DeployModuleAction.java:131)
at
com.google.gdt.eclipse.designer.actions.deploy.DeployModuleAction$1.run(DeployModuleAction.java:103)
at
org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Full stack trace (to see full context):
java.lang.reflect.InvocationTargetException
at com.google.gdt.eclipse.designer.actions.deploy.DeployModuleAction$1.run(DeployModuleAction.java:114)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)
Caused by: java.lang.NoClassDefFoundError: org/eclipse/jdt/launching/IJavaLaunchConfigurationConstants
at com.google.gdt.eclipse.designer.actions.deploy.DeployModuleAction.getGWTProjectClasspath(DeployModuleAction.java:364)
at com.google.gdt.eclipse.designer.actions.deploy.DeployModuleAction.createBuildScript(DeployModuleAction.java:150)
at com.google.gdt.eclipse.designer.actions.deploy.DeployModuleAction.access$1(DeployModuleAction.java:131)
at com.google.gdt.eclipse.designer.actions.deploy.DeployModuleAction$1.run(DeployModuleAction.java:103)
... 1 more
